Method for Manufacturing Bristles on Toothbrush and Toothbrush Using Same
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United States of America Patent
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Sep 17, 2015
app pub date -
Oct 4, 2013
filing date -
Oct 4, 2012
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Abstract
A method for manufacturing bristles on a toothbrush and a toothbrush using the same are provided, in which the bristles on a toothbrush have a core-sheath double structure and various cross-sectional shapes, have uneven portions formed on a surface thereof by a tapering process while containing inorganic particles, and include inorganic or organic antimicrobial materials.
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